Twenty Nineteen: Update `package.json` with the latest package versions to pass `npm audit`.

Props netweb.
Fixes #47631.
Built from https://develop.svn.wordpress.org/trunk@45594


git-svn-id: http://core.svn.wordpress.org/trunk@45405 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-content/themes/twentynineteen/package.json

@@ -7,12 +7,12 @@
   },
   "homepage": "https://github.com/WordPress/twentynineteen#readme",
   "devDependencies": {
-    "@wordpress/browserslist-config": "^2.2.2",
-    "autoprefixer": "^9.1.5",
-    "chokidar-cli": "^1.2.1",
-    "node-sass": "^4.9.3",
+    "@wordpress/browserslist-config": "^2.5.0",
+    "autoprefixer": "^9.6.0",
+    "chokidar-cli": "^1.2.2",
+    "node-sass": "^4.12.0",
     "npm-run-all": "^4.1.5",
-    "postcss-cli": "^6.0.1",
+    "postcss-cli": "^6.1.2",
     "postcss-focus-within": "^3.0.0",
     "rtlcss": "^2.4.0"
   },

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.3-alpha-45593';
+$wp_version = '5.3-alpha-45594';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.